Solar PV Battery Driven Electric Vehicle in MATLAB
Hello viewers, welcome to LMS Solution! Today, we're diving into the intricate world of solar PV battery-driven electric vehicles. Our focus will be on the utilization of a transformer less buck boost converter to enhance the efficiency of the system.
Simulink Model Overview:
The simulated model we'll be exploring is designed for a solar PV battery-driven electric vehicle. Key components include:
Rating: 2000 watts (1830 watts at 25°C and 1000 watts per square meter
Single Panel Rating: 3.2 watts
Open Circuit Voltage: 44.8 volts
Maximum Power Point Voltage: 35.59 volts
Short Circuit Current: 8.95 amps
Maximum Power Point Current: 8.57 amps
Configuration: Two series strings and three parallel strings
Transformer less Buck Boost Converter:
Functions in both buck and boost modes
Controlled by the Maximum PowerPoint Tracking (MPPT) algorithm
Extracts maximum power from the solar panel
Utilize a unique transformer-less bug boost converter design
Battery and Control:
Four 40Ah batteries connected in parallel
Bi-directional converter controls battery charging and discharging
DC bus voltage is maintained at 90 volts
PMDC motor acting as electric vehicle's drive
Powered by solar PV and batteries
Continuous power supply depending on irradiation and temperature conditions
Monitoring of PV voltage, current, and power
Measurement of battery voltage, current, and DC bus voltage
Monitoring motor speed, torque, and current
The Transformer less Buck Boost Converter is controlled by the MPPT algorithm, adjusting the duty cycle based on PV voltage and current. The bi-directional converter manages battery charging and discharging, maintaining the DC bus voltage at 90 volts. The electric motor, powered by both the PV and battery, ensures a constant drive, adjusting to changes in irradiation and temperature conditions.
The simulation showcases the system's response to varying irradiation levels. The PV system efficiently adapts to changes, with the battery seamlessly transitioning between charging and discharging modes. The electric motor's speed and torque remain stable, demonstrating the system's ability to provide continuous power to the vehicle.
In conclusion, the solar PV battery-driven electric vehicle, augmented by a transformer less buck boost converter, presents an efficient and adaptive solution for sustainable transportation. The combination of solar power and energy storage, along with advanced control algorithms, ensures optimal performance under varying environmental conditions.